Finding the Fourth Proportional to 75,269,243.16, 103,877,816.14 and 41,781,874.04
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Solution
The fourth proportional to 75,269,243.16, 103,877,816.14 and 41,781,874.04 is: 57,662,461.42
Step by Step Solution
- Step 1: Write the proportion equation
75,269,243.16 : 103,877,816.14 = 41,781,874.04 : x - Step 2: Convert to fraction form
75,269,243.16/103,877,816.14 = 41,781,874.04/x - Step 3: Cross multiply
75,269,243.16x = 103,877,816.14 × 41,781,874.04 - Step 4: Simplify right side
75,269,243.16x = 4,340,209,829,511,759 - Step 5: Solve for x
x = 4,340,209,829,511,759/75,269,243.16 - Step 6: Final answer
x = 57,662,461.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.